McCarthy Michelle M 4
4 · MKS INSTRUMENTS INC · Filed Apr 17, 2025
Insider Transaction Report
Form 4
McCarthy Michelle M
VP & Chief Accounting Officer
Transactions
- Exercise/Conversion
Restricted Stock Unit
2025-04-15−968→ 5,422.414 total→ Common Stock (968 underlying) - Exercise/Conversion
Common Stock
2025-04-15+968→ 968 total - Tax Payment
Common Stock
2025-04-15$68.48/sh−608$41,636→ 1,466 total - Award
Restricted Stock Unit
2025-04-15+5,209.884→ 9,526.298 total→ Common Stock (5,209.884 underlying) - Exercise/Conversion
Common Stock
2025-04-15+1,106→ 2,074 total - Exercise/Conversion
Restricted Stock Unit
2025-04-15−1,106→ 4,316.414 total→ Common Stock (1,106 underlying)
Footnotes (4)
- [F1]Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
- [F2]These shares were withheld by MKS Instruments, Inc. to satisfy the tax withholding obligations triggered by the vesting of RSUs and do not represent a discretionary trade by the reporting person.
- [F3]These RSUs vest in three equal annual installments commencing on April 15, 2025, provided that if, in any vesting year, April 15th is not a business day, such vesting shall occur on the next business day.
- [F4]These RSUs vest in three equal annual installments commencing on April 15, 2026, provided that if, in any vesting year, April 15th is not a business day, such vesting shall occur on the next business day.